protected override SignedXml ReadSignatureCore(XmlDictionaryReader signatureReader)
{
SignedXml xml = new SignedXml(ServiceModelDictionaryManager.Instance, base.StandardsManager.SecurityTokenSerializer);
xml.Signature.SignedInfo.ResourcePool = base.ResourcePool;
xml.ReadFrom(signatureReader);
return(xml);
}
protected void ReadSignature(XmlDictionaryReader reader, SecurityTokenSerializer keyInfoSerializer, SecurityTokenResolver outOfBandTokenResolver, SamlSerializer samlSerializer)
{
if (reader == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("reader");
}
if (samlSerializer == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("samlSerializer");
}
if (this.signature != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.SAMLSignatureAlreadyRead)));
}
// If the reader cannot canonicalize then buffer the signature element to a canonicalizing reader.
XmlDictionaryReader effectiveReader = reader;
if (!effectiveReader.CanCanonicalize)
{
MemoryStream stream = new MemoryStream();
XmlDictionaryWriter writer = XmlDictionaryWriter.CreateBinaryWriter(stream, samlSerializer.DictionaryManager.ParentDictionary);
writer.WriteNode(effectiveReader, false);
writer.Flush();
stream.Position = 0;
effectiveReader = XmlDictionaryReader.CreateBinaryReader(stream.GetBuffer(), 0, (int)stream.Length, samlSerializer.DictionaryManager.ParentDictionary, reader.Quotas);
effectiveReader.MoveToContent();
writer.Close();
}
SignedXml signedXml = new SignedXml(new StandardSignedInfo(samlSerializer.DictionaryManager), samlSerializer.DictionaryManager, keyInfoSerializer);
signedXml.TransformFactory = ExtendedTransformFactory.Instance;
signedXml.ReadFrom(effectiveReader);
SecurityKeyIdentifier securityKeyIdentifier = signedXml.Signature.KeyIdentifier;
this.verificationKey = SamlSerializer.ResolveSecurityKey(securityKeyIdentifier, outOfBandTokenResolver);
if (this.verificationKey == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SecurityTokenException(SR.GetString(SR.SAMLUnableToResolveSignatureKey, this.issuer)));
}
this.signature = signedXml;
this.signingToken = SamlSerializer.ResolveSecurityToken(securityKeyIdentifier, outOfBandTokenResolver);
if (this.signingToken == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SecurityTokenException(SR.GetString(SR.SamlSigningTokenNotFound)));
}
if (!ReferenceEquals(reader, effectiveReader))
{
effectiveReader.Close();
}
}
protected void ReadSignature(XmlDictionaryReader reader, SecurityTokenSerializer keyInfoSerializer, SecurityTokenResolver outOfBandTokenResolver, SamlSerializer samlSerializer)
{
if (reader == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("reader");
}
if (samlSerializer == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("samlSerializer");
}
if (this.signature != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(System.IdentityModel.SR.GetString("SAMLSignatureAlreadyRead")));
}
XmlDictionaryReader reader2 = reader;
if (!reader2.CanCanonicalize)
{
MemoryStream stream = new MemoryStream();
XmlDictionaryWriter writer = XmlDictionaryWriter.CreateBinaryWriter(stream, samlSerializer.DictionaryManager.ParentDictionary);
writer.WriteNode(reader2, false);
writer.Flush();
stream.Position = 0L;
reader2 = XmlDictionaryReader.CreateBinaryReader(stream.GetBuffer(), 0, (int)stream.Length, samlSerializer.DictionaryManager.ParentDictionary, reader.Quotas);
reader2.MoveToContent();
writer.Close();
}
SignedXml xml = new SignedXml(new StandardSignedInfo(samlSerializer.DictionaryManager), samlSerializer.DictionaryManager, keyInfoSerializer)
{
TransformFactory = ExtendedTransformFactory.Instance
};
xml.ReadFrom(reader2);
SecurityKeyIdentifier keyIdentifier = xml.Signature.KeyIdentifier;
this.verificationKey = SamlSerializer.ResolveSecurityKey(keyIdentifier, outOfBandTokenResolver);
if (this.verificationKey == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SecurityTokenException(System.IdentityModel.SR.GetString("SAMLUnableToResolveSignatureKey", new object[] { this.issuer })));
}
this.signature = xml;
this.signingToken = SamlSerializer.ResolveSecurityToken(keyIdentifier, outOfBandTokenResolver);
if (this.signingToken == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SecurityTokenException(System.IdentityModel.SR.GetString("SamlSigningTokenNotFound")));
}
if (!object.ReferenceEquals(reader, reader2))
{
reader2.Close();
}
}